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प्रश्न
Explain, why nuclear fusion is not being used to meet day to day energy needs.
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उत्तर
Nuclear fusion is not being used to meet day to day energy needs because extremely high temperature and pressure is required to initiate the nuclear fusion. Such an extremely high temperature and pressure can not be achieved in daily life in a controlled way.
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संबंधित प्रश्न
The calorific values of five fuels A, B, C, D and E are given below:
| A | 48KJ/g |
| B | 17KJ/g |
| C | 150KJ/g |
| D | 50KJ/g |
| E | 30KJ/g |
What do you think is the purpose of the thick, concrete chamber surrounding the reactor of a nuclear power plant?
Describe the process by which energy is released in the sun. Write the equation of the nuclear reaction involved.
In a nuclear power plant, coolant is a substance:
(a) which cools the hot, spent steam to condense it back to water
(b) which transfers heat from reactor to water in heat exchanger
(c) which is boiled to make steam to turn the turbine
(d) which cools the generator coils to prevent their overheating.
One MeV of nuclear energy is equivalent to:
(a) 1.6 × 10−13 J
(b) 1.6 × 10−19 J
(c) 1.6 × 10−16 J
(d) 1.6 × 10−15 J
Give scientific reasons:
It is absolutely necessary to control the fission reaction in nuclear power plants.
Which of the following statements are correct?
Neutrons have
Write the demerits of a nuclear energy plant.
Analogy:
Kayatharu in Tirunelveli district:: Windmills.
Koodankulam in Tirunelveli district:: ______.
Give scientific reason.
It is absolutely necessary to control the fission reaction in nuclear power plants.
